Analysis of the Austenite Grain Size Distribution in Plain Carbon Steels

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著者

    • GIUMELLI A. K.
    • The Centre for Metallurgical Process Engineering, The University of British Columbia
    • MILITZER M.
    • The Centre for Metallurgical Process Engineering, The University of British Columbia
    • HAWBOLT E. B.
    • The Centre for Metallurgical Process Engineering, The University of British Columbia

抄録

The aim of this paper is to report methods for measuring the austenite grain size in plain carbon steels, including the estimation of the three dimensional grain size distribution. Prior austenite boundaries are revealed using a number of quenching and etching techniques. The grain size is measured by standard manual procedures and by the use of image analysis equipment. Results from these measurement methods are compared and systematic errors are identified. A correction is proposed to account for the systematic error in the measurement of the two dimensional grain size distribution by the use of image analysis. Methods for the estimation of the three dimensional grain size distribution are compared. It is concluded that the method proposed by Matsuura and Itoh is the most versatile.

収録刊行物

  • ISIJ international  

    ISIJ international 39(3), 271-280, 1999-03-15 

    The Iron and Steel Institute of Japan

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